source/auth/credentials/credentials_gensec.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    User credentials handling
   5
   6    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "auth/gensec/gensec.h"
  25
  26 const struct gensec_security_ops **cli_credentials_gensec_list(struct cli_credentials *creds)
  27 {
  28         if (!creds || !creds->gensec_list) {
  29                 return gensec_security_all();
  30         }
  31         return creds->gensec_list;
  32 }
  33
  34 static NTSTATUS cli_credentials_gensec_remove_mech(struct cli_credentials *creds,
  35                                                    const struct gensec_security_ops *remove_mech)
  36 {
  37         const struct gensec_security_ops **gensec_list;
  38         const struct gensec_security_ops **new_gensec_list;
  39         int i, j;
  40
  41         gensec_list = cli_credentials_gensec_list(creds);
  42
  43         for (i=0; gensec_list && gensec_list[i]; i++) {
  44                 /* noop */
  45         }
  46
  47         new_gensec_list = talloc_array(creds, const struct gensec_security_ops *, i + 1);
  48         if (!new_gensec_list) {
  49                 return NT_STATUS_NO_MEMORY;
  50         }
  51
  52         j = 0;
  53         for (i=0; gensec_list && gensec_list[i]; i++) {
  54                 if (gensec_list[i] != remove_mech) {
  55                         new_gensec_list[j] = gensec_list[i];
  56                         j++;
  57                 }
  58         }
  59         new_gensec_list[j] = NULL;
  60
  61         creds->gensec_list = new_gensec_list;
  62
  63         return NT_STATUS_OK;
  64 }
  65
  66 NTSTATUS cli_credentials_gensec_remove_oid(struct cli_credentials *creds,
  67                                            const char *oid)
  68 {
  69         const struct gensec_security_ops *gensec_by_oid;
  70
  71         gensec_by_oid = gensec_security_by_oid(NULL, oid);
  72         if (!gensec_by_oid) {
  73                 return NT_STATUS_OK;
  74         }
  75
  76         return cli_credentials_gensec_remove_mech(creds, gensec_by_oid);
  77 }